private IMetaValue GetRotation()
{
var orientation = FFmpeg.ParseOrientation(FfmpegOutput);
if (MetadataEnumHelper.IsValidOrientation(orientation) && (orientation != Orientation.None))
{
return(new MetaValue(orientation.GetDescription(), ((ushort)orientation).ToString(CultureInfo.InvariantCulture)));
}
return(null);
}
private IGalleryObjectMetadataItem GetExposureProgramMetadataItem()
{
IGalleryObjectMetadataItem mdi = null;
MetadataItem rawMdi = null;
if (RawMetadata.TryGetValue(RawMetadataItemName.ExifExposureProg, out rawMdi))
{
if (rawMdi.ExtractedValueType == ExtractedValueType.Int64)
{
ExposureProgram expProgram = (ExposureProgram)(Int64)rawMdi.Value;
if (MetadataEnumHelper.IsValidExposureProgram(expProgram))
{
mdi = new GalleryObjectMetadataItem(int.MinValue, FormattedMetadataItemName.ExposureProgram, Resources.Metadata_ExposureProgram, expProgram.ToString(), true);
}
}
}
return(mdi);
}
private IGalleryObjectMetadataItem GetFlashModeMetadataItem()
{
IGalleryObjectMetadataItem mdi = null;
MetadataItem rawMdi = null;
if (RawMetadata.TryGetValue(RawMetadataItemName.ExifFlash, out rawMdi))
{
if (rawMdi.ExtractedValueType == ExtractedValueType.Int64)
{
FlashMode flashMode = (FlashMode)(Int64)rawMdi.Value;
if (MetadataEnumHelper.IsValidFlashMode(flashMode))
{
mdi = new GalleryObjectMetadataItem(int.MinValue, FormattedMetadataItemName.FlashMode, Resources.Metadata_FlashMode, flashMode.ToString(), true);
}
}
}
return(mdi);
}
private IGalleryObjectMetadataItem GetYResolutionMetadataItem()
{
IGalleryObjectMetadataItem mdi = null;
MetadataItem rawMdi = null;
string resolutionUnit = String.Empty;
if (RawMetadata.TryGetValue(RawMetadataItemName.ResolutionYUnit, out rawMdi))
{
resolutionUnit = rawMdi.Value.ToString();
}
if ((String.IsNullOrEmpty(resolutionUnit)) && (RawMetadata.TryGetValue(RawMetadataItemName.ResolutionUnit, out rawMdi)))
{
if (rawMdi.ExtractedValueType == ExtractedValueType.Int64)
{
ResolutionUnit resUnit = (ResolutionUnit)(Int64)rawMdi.Value;
if (MetadataEnumHelper.IsValidResolutionUnit(resUnit))
{
resolutionUnit = resUnit.ToString();
}
}
}
if (RawMetadata.TryGetValue(RawMetadataItemName.YResolution, out rawMdi))
{
string yResolution;
if (rawMdi.ExtractedValueType == ExtractedValueType.Fraction)
{
yResolution = Math.Round(((Fraction)rawMdi.Value).ToSingle(), 2).ToString(CultureInfo.InvariantCulture);
}
else
{
yResolution = rawMdi.Value.ToString();
}
string yResolutionString = String.Concat(yResolution, " ", resolutionUnit);
mdi = new GalleryObjectMetadataItem(int.MinValue, FormattedMetadataItemName.VerticalResolution, Resources.Metadata_VerticalResolution, yResolutionString, true);
}
return(mdi);
}
private IGalleryObjectMetadataItem GetLightSourceMetadataItem()
{
IGalleryObjectMetadataItem mdi = null;
MetadataItem rawMdi = null;
if (RawMetadata.TryGetValue(RawMetadataItemName.ExifLightSource, out rawMdi))
{
if (rawMdi.ExtractedValueType == ExtractedValueType.Int64)
{
LightSource lightSource = (LightSource)(Int64)rawMdi.Value;
if (MetadataEnumHelper.IsValidLightSource(lightSource))
{
// Don't bother with it if it is "Unknown"
if (lightSource != LightSource.Unknown)
{
mdi = new GalleryObjectMetadataItem(int.MinValue, FormattedMetadataItemName.LightSource, Resources.Metadata_LightSource, lightSource.ToString(), true);
}
}
}
}
return(mdi);
}
